This is exactly the same question you posted under the subject, "swinglabs
JXtreeTable example".

To be more precise, that you multi-posted.  Multi-posting is a damaging
practice; it fragments the answers into multiple threads and frustrates the
folks most likely to be of help to you.

Either ask in one group, or cross-post and set follow-up to one group.

To answer your question, perhaps one of the links from
<http://www.google.com/search?q=Java+JXtreeTable+example>
might serve your needs.

Did you try Google or other search engine?